aboutsummaryrefslogtreecommitdiff
path: root/twitch-bot/bot.js
blob: ec54b4861c7faf2606b0cab66ee2089a92b59785 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
 * Created by Bryson Steck (@brysonsteck on GitHub)
 * Feel free to make changes and send a PR!
 * Open source under the MIT License:
 *
 * Copyright (c) 2022 Bryson Steck
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 */

const tmi = require('tmi.js');
const fs = require('fs');

// read settings and reactions json files
try {
  var settings = JSON.parse(fs.readFileSync('./settings.json', 'utf8'));
  var reacts = JSON.parse(fs.readFileSync('./reacts.json', 'utf8'));
  var chat_commands = JSON.parse(fs.readFileSync('./commands.json', 'utf8'));
  var mod_commands = JSON.parse(fs.readFileSync('./mod_commands.json', 'utf8'));
} catch (err) {
  console.error("An error occured trying to read the files for the Twitch bot: " + err);
}

const opts = {
  identity: {
    username: settings.bot_username,
    password: settings.bot_token
  },
  channels: settings.channels
};

var modString = "";
var mods;

try {
  modString = fs.readFileSync('mods.txt', 'utf8');
  modString = modString.replace(/(\r\n|\n|\r)/gm, "");
  mods = modString.split(",");
} catch (err) {
  console.error(err)
}

var modCommand = false;

function onMessageHandler (target, context, msg, self) {
  if (self) { return; } // Ignore messages from the bot
  const user = context.username;
  msg = msg.toLowerCase();
  var message = msg.trim();

  if (message.charAt(0) === settings.command_char) {
    message = message.substr(1);
    valid = commands(target, message, user, mods);
  } else {
    reactions(target, message, user);
  }
}

function commands (target, commandName, user, mods) {
  modCommand = false;
  var valid = false;
  var isMod = false;
  if (mods.indexOf(user) >= 0) isMod = true;
  
  if (commandName === "help") {
    var finalString = settings.command_char + "help " + settings.command_char + "about ";
    chat_commands.forEach(command => {
      finalString = finalString + settings.command_char + command.command + " ";
    });
    client.say(target, `Here is the list of commands: ${finalString}`);
    valid = true;
  } else if (commandName === "about") {
    client.say(target, `This bot was stolen from https://github.com/brysonsteck/lset under the MIT License and configured by your streamer, ${settings.your_username}!`);
    valid = true;
  } else {
    chat_commands.forEach(command => {
      if (commandName.search(command.command) !== -1) {
        client.say(target, `${command.reply}`);
        valid = true;
        return true;
      }
    });
  }

  if (valid === false) {
    if (isMod) {
      valid = modCommands(target, commandName, isMod);
    }
  }

  if (valid) {
    console.log(`* ${user} executed !${commandName}`);
  } else {
    if (modCommand === false) {
      client.say(target, `@${user} Unknown command "${settings.command_char}${commandName}". Type ${settings.command_char}help for all commands.`);
    }
    console.warn(`! ${user} tried to execute unknown/banned command !${commandName}`);
  }
}

function modCommands(target, commandName, isMod) {
  var valid = false;
  mod_commands.forEach(command => {
    if (message.search(command.command) !== -1) {
      if (!isMod) {
        client.say(target, `Only moderators can run this command...`);
        return true;
      } else {
        client.say(target, `${command.reply}`);
        valid = true;
        return true;
      }
    }
  });
  return valid;
}

function reactions (target, message, user) {
  reacts.forEach(react => {
    if (message.search(react.trigger) !== -1) {
      client.say(target, `${react.reply}`);
    }
  });
}

// Twitch bot initialization
const client = new tmi.client(opts);

// Register our event handlers (defined below)
client.on('message', onMessageHandler);
client.on('connected', onConnectedHandler);

// Connect to Twitch:
client.connect();

// Notify when connected
function onConnectedHandler (addr, port) {
  console.log(`* Main Bot successfully connected to ${addr}:${port}`);
}